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To solve the problem cos-1(cos(-pi/6((, find the angle in the interval [0,pi] whose cosine is sqrt3/2.
To solve the problem cos-1(cos(-pi/6((, find the angle in the interval [0,pi] whose cosine is sqrt3/2.
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Graphical Approach To Precalculus With Limits A Unit Circle Approach, A
Authors: John E Hornsby, Margaret L Lial, Gary K Rockswold
5th Edition
0321899806, 9780321899804
